Genus Chinoperla Zwick, 1980

Sinoperla Wu, 1948: 78 . Type species: S. nigroflavata Wu, 1948 .

Chinoperla Zwick, 1980: 6 . Inherited type species: S. nigroflavata Wu, 1948 .

Chinoperla – Zwick & Sivec 1980: 130. — Zwick 1982: 167. — Sivec et al. 1988: 54. — Sivec & Zwick 1989: 11. — Du et al. 1999: 62. — Cao & Bae 2007: 125. — Sivec & Stark 2010: 62. — Chen & Du 2018: 64. — Yang & Li 2018: 36.

Diagnosis

Biocellate. Body relatively small. General color brown to dark brown. Macropterous; Sc vein of forewing usually short, ending in basal third. Head mostly pale brown to brown, often covered by a darker spot, and with mesal occipital knob. Male abdominal sterna 3–4, sometimes 5, with hair brushes. Tergum 9 with a slender, bilobed mesal sclerite. Hemitergal processes slender, approaching posterior mesal sclerite of tergum 9, and with basal callus covered by sensilla basiconica. Aedeagal tube partially sclerotized dorsally. Aedeagal sac subequal in length to tube, ventral portion usually with a basal patch of spinules, apically with short to long spines.